/* ===== HERO ===== */
  .hero {
    padding: 120px 0 140px;
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 80% 30%, rgba(74, 142, 255, 0.22) 0%, transparent 55%),
      radial-gradient(circle at 15% 70%, rgba(94, 229, 214, 0.12) 0%, transparent 55%),
      radial-gradient(circle at 50% 100%, rgba(167, 139, 250, 0.1) 0%, transparent 50%),
      linear-gradient(180deg, #0a1228 0%, #060a1c 100%);
  }
  .stars {
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(1.2px 1.2px at 20% 30%, rgba(255,255,255,0.5), transparent),
      radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.3), transparent),
      radial-gradient(1.5px 1.5px at 80% 20%, rgba(255,255,255,0.4), transparent),
      radial-gradient(1px 1px at 30% 80%, rgba(255,255,255,0.3), transparent),
      radial-gradient(1px 1px at 90% 50%, rgba(255,255,255,0.3), transparent),
      radial-gradient(1.2px 1.2px at 50% 15%, rgba(255,255,255,0.4), transparent),
      radial-gradient(0.8px 0.8px at 10% 50%, rgba(255,255,255,0.3), transparent),
      radial-gradient(1px 1px at 70% 90%, rgba(255,255,255,0.35), transparent);
    background-size: 600px 600px;
    pointer-events: none;
    animation: starShift 80s linear infinite;
  }
  @keyframes starShift {
    from { transform: translate(0, 0); }
    to { transform: translate(-600px, 0); }
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
  }
  .hero-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 0.2em;
    padding: 8px 16px;
    border: 1px solid rgba(94, 229, 214, 0.3);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
    background: rgba(94, 229, 214, 0.05);
  }
  .hero-tag::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--cyan);
    animation: pulse 2s ease-in-out infinite;
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
  }
  .hero h1 {
    font-size: 76px;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 32px;
  }
  .hero h1 .accent {
    background: linear-gradient(135deg, var(--blue-bright) 0%, var(--cyan) 50%, var(--purple) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
  }
  .hero-sub {
    font-size: 20px;
    color: var(--text-soft);
    line-height: 1.7;
    margin: 0 auto 48px;
    max-width: 680px;
  }
  .hero-sub strong { color: var(--text); font-weight: 700; }

  .hero-pills {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
  }
  .hero-pill {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-soft);
    padding: 8px 14px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: rgba(13, 20, 41, 0.5);
    backdrop-filter: blur(10px);
  }
  .hero-pill .dot {
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
  }
  .hero-pill .dot.b { background: var(--cyan); }
  .hero-pill .dot.z { background: var(--purple); }
  .hero-pill .dot.y { background: var(--gold); }

  .hero-cta-row {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }
  /* ===== 공통 섹션 ===== */
  section.block {
    padding: 110px 0;
    position: relative;
  }
  .section-num {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 0.2em;
    margin-bottom: 18px;
  }
  .section-h2 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
  }
  .section-h2 .glow {
    background: linear-gradient(135deg, var(--blue-bright) 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .section-sub {
    font-size: 17px;
    color: var(--text-soft);
    line-height: 1.7;
    margin-bottom: 56px;
    max-width: 680px;
  }
  .section-sub strong { color: var(--text); }

  /* ===== 02 MISSION ===== */
  .mission-section {
    background: var(--bg-deep);
  }
  .mission-quote {
    font-size: 32px;
    line-height: 1.4;
    letter-spacing: -0.02em;
    font-weight: 600;
    color: var(--text);
    padding: 48px 0 8px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 40px 0 56px;
    max-width: 760px;
  }
  .mission-quote::before {
    content: '“';
    font-family: 'Manrope', sans-serif;
    font-size: 64px;
    line-height: 0;
    color: var(--cyan);
    margin-right: 4px;
    vertical-align: -16px;
  }
  .mission-quote::after {
    content: '”';
    font-family: 'Manrope', sans-serif;
    font-size: 64px;
    line-height: 0;
    color: var(--cyan);
    margin-left: 4px;
    vertical-align: -16px;
  }
  .mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  /* ===== 03 MEMBERS ===== */
  .members-section {
    background:
      radial-gradient(ellipse at 50% 0%, rgba(94, 229, 214, 0.04) 0%, transparent 60%),
      var(--bg-deep);
  }
  .member-stack {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 16px;
  }
  /* ===== 04 PORTFOLIO ===== */
  .portfolio-section {
    background: var(--bg-deep);
  }
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  /* ===== 04.5 OTHER BUILDS (작은 카드 5개) ===== */
  .other-builds-section {
    background: var(--bg-deep);
    padding: 0 0 110px;
  }
  .other-builds-header {
    margin-bottom: 32px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
  }
  .other-builds-header .heading-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .other-builds-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--purple);
    letter-spacing: 0.2em;
  }
  .other-builds-title {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text);
  }
  .other-builds-note {
    font-size: 12px;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
  }
  .other-builds-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  /* 접힌 상태: 첫 줄만 보이고 페이드 */
  .other-builds-grid.is-collapsed {
    position: relative;
    max-height: 380px;
    overflow: hidden;
  }
  .other-builds-grid.is-collapsed::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 200px;
    background: linear-gradient(180deg, transparent 0%, var(--bg-deep) 90%);
    pointer-events: none;
  }
  /* 더보기 버튼 */
  .other-builds-more {
    display: flex;
    justify-content: center;
    margin-top: 24px;
  }
  /* ===== 05 COLLAB / CONTACT ===== */
  .collab-section {
    background:
      radial-gradient(ellipse at 50% 100%, rgba(74, 142, 255, 0.1) 0%, transparent 60%),
      var(--bg-deep);
    padding: 110px 0 140px;
  }
  .collab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 56px;
  }
  @media (max-width: 540px) {
    .header-right { gap: 8px; }
    .lang-btn { padding: 5px 10px; font-size: 10px; }
    .top-cta { padding: 8px 14px; font-size: 12px; }
  }
  @media (max-width: 768px) { .site-nav { display: none; } }
  @media (max-width: 1024px) {
    .other-builds-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 640px) {
    .other-builds-grid { grid-template-columns: 1fr; }
    .other-builds-section { padding: 0 0 70px; }
  }
  /* ===== 반응형 ===== */
  @media (max-width: 1024px) {
    .hero h1 { font-size: 56px; }
    .section-h2 { font-size: 38px; }
    .mission-grid { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .member-stack { grid-template-columns: 1fr; gap: 20px; }
    .member-card { padding: 28px; }
    .collab-grid { grid-template-columns: 1fr; }
    .contact-card { padding: 36px 28px; }
    .contact-card h3 { font-size: 30px; }
  }
  @media (max-width: 768px) {
    .wrap, .wrap-narrow { padding: 0 24px; }
    .hero { padding: 80px 0 100px; }
    .hero h1 { font-size: 40px; }
    .hero-sub { font-size: 16px; }
    section.block, .collab-section { padding: 70px 0; }
    .section-h2 { font-size: 28px; }
    .mission-quote { font-size: 22px; padding: 32px 0 4px; }
    .bottom-inner { grid-template-columns: 1fr; gap: 28px; }
    .bottom-legal { flex-direction: column; }
  }